#include<bits/stdc++.h> using namespace std; int main() { char a, b, c, d; cin >> a >> b >> c >> d; char s = ((a - 97) + 1) % 26 + 97; char s1 = ((b - 97) + 1) % 26 + 97; char s2 = ((c - 97) + 1) % 26 + 97; char s3 = ((d - 97) + 1) % 26 + 97; cout << s <<" "<< s1 <<" "<< s2 <<" "<< s3; return 0; }